77476749097756 has 12 divisors (see below), whose sum is σ = 142720327285480. Its totient is φ = 36699512730480.

The previous prime is 77476749097723. The next prime is 77476749097831. The reversal of 77476749097756 is 65779094767477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509715454515 + ... + 509715454666.

Almost surely, 2^{77476749097756} is an apocalyptic number.

77476749097756 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

77476749097756 is a deficient number, since it is larger than the sum of its proper divisors (65243578187724).

77476749097756 is a wasteful number, since it uses less digits than its factorization.

77476749097756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019430909204 (or 1019430909202 counting only the distinct ones).

The product of its (nonzero) digits is 27445158720, while the sum is 85.

The spelling of 77476749097756 in words is "seventy-seven trillion, four hundred seventy-six billion, seven hundred forty-nine million, ninety-seven thousand, seven hundred fifty-six".